Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
May verdict
Good for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 8.1h per day, so bright days are a strong part of the month. Rainfall averages 124mm, so some wet days are possible.
Monthly averages
Temp
30°C
Rain
124mm
Sun
8.1h
Sea
28°C
Weather score
67
Good
Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
Showers
Rainfall averages 124mm, so some wet days are possible.
Bright
Sunshine averages 8.1h per day, so bright days are a strong part of the month.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Compare Saint Lucia with nearby places by weather score, rain, sun, temperature, and swim conditions.
May30°C average high
May is close to Saint Lucia's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
May124mm average rain
May sits on the drier side of Saint Lucia's year, which helps with sightseeing and transfers.
Driest monthsJanuary to May
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
May8.1 hours average sun
May is part of a consistently bright year-round pattern, so sunny days are a steady part of the climate.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
May28°C average sea
May is close to Saint Lucia's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJuly to November
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
May67 weather score
May sits close to Saint Lucia's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJanuary to April
These months have the strongest weather score in the monthly averages.